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Finding the Fourth Proportional to 377,449.50, 520,883.97 and 207,687.27

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Solution

The fourth proportional to 377,449.50, 520,883.97 and 207,687.27 is: 286,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,449.50 : 520,883.97 = 207,687.27 : x
  2. Step 2: Convert to fraction form
    377,449.50/520,883.97 = 207,687.27/x
  3. Step 3: Cross multiply
    377,449.50x = 520,883.97 × 207,687.27
  4. Step 4: Simplify right side
    377,449.50x = 108,180,969,716.06
  5. Step 5: Solve for x
    x = 108,180,969,716.06/377,449.50
  6. Step 6: Final answer
    x = 286,610.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.